Attachment 572696 Details for Bug 802251 – 哈慈看KVM-tools patch

[patch] 哈慈看KVM-tools patch

0001-kvm-tools-ioeventfd.patch (text/plain), 2.14 KB, created by Amos Kong on 2012-03-26 08:24:26 UTC

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Creator: Amos Kong

Created: 2012-03-26 08:24:26 UTC

Size: 2.14 KB

patch

obsolete

>From e77593c49a0b414bda9dde552d1b128607c2d25e Mon Sep 17 00:00:00 2001
>From: Amos Kong <akong@redhat.com>
>Date: Fri, 16 Mar 2012 13:06:36 +0800
>Subject: [PATCH] kvm-tools-ioeventfd
>
>Signed-off-by: Amos Kong <akong@redhat.com>
>---
> tools/kvm/virtio/pci.c |   32 ++++++++++++++++++++++++++++++--
> 1 files changed, 30 insertions(+), 2 deletions(-)
>
>diff --git a/tools/kvm/virtio/pci.c b/tools/kvm/virtio/pci.c
>index 5a3cad8..882e9ef 100644
>--- a/tools/kvm/virtio/pci.c
>+++ b/tools/kvm/virtio/pci.c
>@@ -1,4 +1,5 @@
> #include "kvm/virtio-pci.h"
>+#include <stdio.h>
> 
> #include "kvm/ioport.h"
> #include "kvm/kvm.h"
>@@ -31,6 +32,7 @@ static void virtio_pci__ioevent_callback(struct kvm *kvm, void *param)
> 	ioeventfd->vtrans->virtio_ops->notify_vq(kvm, vpci->dev, ioeventfd->vq);
> }
> 
>+static int count = 5;
> static int virtio_pci__init_ioeventfd(struct kvm *kvm, struct virtio_trans *vtrans, u32 vq)
> {
> 	struct ioevent ioevent;
>@@ -52,7 +54,33 @@ static int virtio_pci__init_ioeventfd(struct kvm *kvm, struct virtio_trans *vtra
> 		.fd		= eventfd(0, 0),
> 	};
> 
>-	r = ioeventfd__add_event(&ioevent);
>+        while(count < 200) {
>+	ioevent = (struct ioevent) {
>+		.io_addr	= vpci->base_addr + VIRTIO_PCI_QUEUE_NOTIFY + 1024 * count,
>+		.io_len		= sizeof(u16),
>+		.fn		= virtio_pci__ioevent_callback,
>+		//.fn_ptr		= &vpci->ioeventfds[vq],
>+		.fn_ptr		= &vpci->ioeventfds[count],
>+		.datamatch	= vq,
>+		.fn_kvm		= kvm,
>+		.fd		= eventfd(0, 0),
>+	};
>+		r = ioeventfd__add_event(&ioevent);
>+                printf("helllo----------------%d , %d\n", count++, r);
>+	}
>+
>+	ioevent = (struct ioevent) {
>+		.io_addr	= vpci->base_addr + VIRTIO_PCI_QUEUE_NOTIFY,
>+		.io_len		= sizeof(u16),
>+		.fn		= virtio_pci__ioevent_callback,
>+		.fn_ptr		= &vpci->ioeventfds[vq],
>+		.datamatch	= vq,
>+		.fn_kvm		= kvm,
>+		.fd		= eventfd(0, 0),
>+	};
>+		r = ioeventfd__add_event(&ioevent);
>+
>+                printf("helllo2----------------%u , %d, %d\n", vq, vpci->base_addr, r);
> 	if (r)
> 		return r;
> 
>@@ -377,4 +405,4 @@ int virtio_pci__exit(struct kvm *kvm, struct virtio_trans *vtrans)
> 		ioeventfd__del_event(vpci->base_addr + VIRTIO_PCI_QUEUE_NOTIFY, i);
> 
> 	return 0;
>-}
>\ No newline at end of file
>+}
>-- 
>1.7.1
>

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Attachments on bug 802251: 569298 | 572696